C.1910, Swiss, Paul Ditisheim, Chronometer Watch, or as included literature calls it Chronometer, Petit Format, 21j, key wound, going barrel with enclosed compensated balance, 2-day, in a full 3-piece mahogany case with brass corners.

C.1910, Swiss, Paul Ditisheim, Chronometer Watch, or as included literature calls it Chronometer, Petit Format, 21j, key wound, going barrel with enclosed compensated balance, 2-day, in a full 3-piece mahogany case with brass corners. Condition: mahogany case has been refinished; chronometer is in good original condition and runs briskly. Serial number is 2018 on both dial and movement, and both dial and movement, show award Grand Prix, Paris 1900. Dr. Corwin paid $750 for this in 1972. Dial diameter = 2.6" box = 6.5"